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Is Lecanemab Plus t-PA A Deadly Combination? One Case Study May Shed Light

Anticoagulant Use In Spotlight As Approval Nears

 
• By Mandy Jackson

A letter in the New England Journal of Medicine suggests the death of one extension trial participant treated with t-PA may have been caused by lecanemab, but a response notes fatal intracerebral hemorrhages have been seen after t-PA in certain patients in the absence of anti-amyloid drugs.

CT scan of brain with red area ( Imaging for hemorrhagic stroke or Ischemic stroke ( infarction ) concept )
Lethal brain hemorrhage has been observed in three lecanemab trial participants, including one who received placebo • Source: Shutterstock

Eisai Co., Ltd. and Biogen, Inc. should hear from the US Food and Drug Administration any day now whether the agency will grant accelerated approval for the amyloid protofibril-targeting antibody lecanemab, but one issue looming large over the treatment for early Alzheimer’s disease is how safe it will be for frail, elderly patients – particularly for individuals taking anticoagulants for cardiovascular disease or treated in the emergency room for a stroke. A new case study looking at one lecanemab clinical trial participant who died following anticoagulant use attempts to shed some light on the safety concern.

The New England Journal of Medicine (NEJM) published the case study on 4 January in a letter written by Nicholas...

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More from Clinical Trials

HHS Wants Employees (And Public?) To Report Diversity, Equity And Inclusion Discrimination

 
• By Sue Sutter

A survey asks FDA staff to disclose whether DEI policies caused discrimination or resulted in disciplinary action against career employees over the past five years, but uses a web form that the general public also can access.

Bayesian Statistics In EU Clinical Trials: EMA Discusses Balancing Efficiency With Rigor

 
• By Eliza Slawther

Bayesian statistics could help clinical trial sponsors to include external information in their analyses, but concerns around bias and incorrect conclusions remain, the European Medicines Agency said.

Adaptive Clinical Trials Require ‘Clear And Compelling Justification’

 
• By Vibha Sharma

A draft international guideline on using adaptive trial designs says sponsors should provide a clear rationale for using such designs to address the potential ‘tension’ between the confirmatory nature of late-stage trials and the flexibility introduced by mid-trial adaptations.

Denmark Sets New EU Benchmark With 14-Day Clinical Trial Review Timeline

 
• By Vibha Sharma

Denmark is shaking up clinical trial timelines with a new process for reviewing applications for early-phase mono-national trials that is twice as fast as the standard timelines in the EU and the UK.

More from R&D

Adaptive Clinical Trials Require ‘Clear And Compelling Justification’

 
• By Vibha Sharma

A draft international guideline on using adaptive trial designs says sponsors should provide a clear rationale for using such designs to address the potential ‘tension’ between the confirmatory nature of late-stage trials and the flexibility introduced by mid-trial adaptations.

Denmark Sets New EU Benchmark With 14-Day Clinical Trial Review Timeline

 
• By Vibha Sharma

Denmark is shaking up clinical trial timelines with a new process for reviewing applications for early-phase mono-national trials that is twice as fast as the standard timelines in the EU and the UK.

Clinical Trial Diversity Action Plan Guidance Must Return To US FDA Website, Court Says

 
• By Sue Sutter

HHS and its agencies violated the law by swiftly implementing “sweeping and poorly thought-through directives that ordered the bulk removal of healthcare resources,” including FDA draft guidances on diversity action plans and sex differences in clinical trials, a federal court said.